2200004400 has 120 divisors (see below), whose sum is σ = 7688061504. Its totient is φ = 533331200.

The previous prime is 2200004383. The next prime is 2200004447. The reversal of 2200004400 is 44000022.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70134 + ... + 96533.

Almost surely, 2^2200004400 is an apocalyptic number.

2200004400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200004400 is an abundant number, since it is smaller than the sum of its proper divisors (5488057104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2200004400 is a wasteful number, since it uses less digits than its factorization.

2200004400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166699 (or 166688 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2200004400 is about 46904.2045023684. The cubic root of 2200004400 is about 1300.5923139118.

Adding to 2200004400 its reverse (44000022), we get a palindrome (2244004422).

The spelling of 2200004400 in words is "two billion, two hundred million, four thousand, four hundred".